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tosend into bigbuff

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iceman1001 2020-07-13 17:56:19 +02:00
commit a6c240fe3b
7 changed files with 195 additions and 157 deletions
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9
armsrc/hfsnoop.c
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@ -114,8 +114,9 @@ int HfSniff(uint32_t samplesToSkip, uint32_t triggersToSkip, uint16_t *len) {
}
void HfPlotDownload(void) {
uint8_t *buf = ToSend;
uint8_t *this_buf = buf;
tosend_t *ts = get_tosend();
uint8_t *this_buf = ts->buf;
FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
@ -124,7 +125,7 @@ void HfPlotDownload(void) {
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; // Disable DMA Transfer
AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) this_buf; // start transfer to this memory address
AT91C_BASE_PDC_SSC->PDC_RCR = PM3_CMD_DATA_SIZE; // transfer this many samples
buf[0] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; // clear receive register
ts->buf[0] = (uint8_t)AT91C_BASE_SSC->SSC_RHR; // clear receive register
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTEN; // Start DMA transfer
FpgaWriteConfWord(FPGA_MAJOR_MODE_HF_GET_TRACE); // let FPGA transfer its internal Block-RAM
@ -132,7 +133,7 @@ void HfPlotDownload(void) {
LED_B_ON();
for (size_t i = 0; i < FPGA_TRACE_SIZE; i += PM3_CMD_DATA_SIZE) {
// prepare next DMA transfer:
uint8_t *next_buf = buf + ((i + PM3_CMD_DATA_SIZE) % (2 * PM3_CMD_DATA_SIZE));
uint8_t *next_buf = ts->buf + ((i + PM3_CMD_DATA_SIZE) % (2 * PM3_CMD_DATA_SIZE));
AT91C_BASE_PDC_SSC->PDC_RNPR = (uint32_t)next_buf;
AT91C_BASE_PDC_SSC->PDC_RNCR = PM3_CMD_DATA_SIZE;